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Illinois

$404+ Cheap flights from Belfast to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Belfast to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Belfast to Illinois

Cheapest flights from Belfast to Illinois
Explore the most affordable flight options available from Belfast to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/38:55 pmBFS - ORD
3 stops30h 15mMultiple Airlines
Sun 12/86:30 pmORD - BFS
2 stops16h 30mMultiple Airlines
Deal found 11/19$909

Find flights from Belfast to Illinois within your budget

Customize your flight search to find flights from Belfast to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 1/13

6:35 am-5:00 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 1/20

10:00 pm-6:35 pm

1 stop14h 35m

$644

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 1/13

7:25 am-5:20 pm

2 stops15h 55m

Chicago O'Hare Intl

Mon 1/20

6:30 pm-8:30 pm

2 stops20h 00m

$656

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 1/13

6:30 am-5:20 pm

2 stops16h 50m

Chicago O'Hare Intl

Mon 1/20

6:30 pm-9:05 pm

2 stops20h 35m

$657

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 2/27

6:30 am-6:25 pm

2 stops17h 55m

Chicago O'Hare Intl

Sun 3/9

12:30 pm-4:50 pm

2 stops23h 20m

$762

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 12/7

9:45 pm-11:07 pm

3 stops55h 22m

$404

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 12/7

10:05 am-9:37 am

3 stops29h 32m

$509

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 12/7

9:10 am-5:00 pm

1 stop13h 50m

$837

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 5/16

6:00 pm-2:00 pm

2 stops26h 00m

$1,022

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 5/16

6:30 am-2:20 pm

1 stop13h 50m

$1,680

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Best time to book a flight from Belfast to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Belfast with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Belfast to Illinois

Get recent, data-driven insights about flights from Belfast to Illinois including ideal travel times, pricing trends, and more.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated November 20, 2024.
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.1
Good
1,089 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Iberia
7.0
Good
2,662 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Belfast to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Belfast to Illinois one-way?

    $837 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Aer Lingus and Delta, with prices starting from $1,022 and $1,680, respectively.

  • Can I find deals for flights from Belfast to Illinois that include hotel bookings?

    Yes. In addition to deals on Belfast to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Illinois.

  • Can I find deals for business class flights from Belfast to Illinois?

    Yes. Cheapflights offers flight deals from Belfast to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belfast to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Belfast to Illinois (average of $232). Flying from Belfast to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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